diff --git a/Gemfile b/Gemfile
index 2b5bccf..908558c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,8 +1,9 @@
-source "http://rubygems.org"
+source 'http://rubygems.org'
 
 gem 'octopress', '~> 3.0.0'
-gem 'narray', :git => "https://github.com/tonyarnold/narray"
-gem 'gsl', :git => "https://github.com/tonyarnold/rb-gsl"
+gem 'narray', git: 'https://github.com/tonyarnold/narray'
+gem 'gsl', git: 'https://github.com/tonyarnold/rb-gsl'
+gem 'classifier-reborn', git: 'https://github.com/jekyll/classifier-reborn.git'
 
 gem 'html-proofer'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index c3d739e..204a249 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,10 @@
+GIT
+  remote: https://github.com/jekyll/classifier-reborn.git
+  revision: e832ae342ff5179ad85a72c3880dbe9bee3abc77
+  specs:
+    classifier-reborn (2.0.3)
+      fast-stemmer (~> 1.0)
+
 GIT
   remote: https://github.com/tonyarnold/narray
   revision: eeb06b030320a222727e41f11a2f0be300f9dd52
@@ -16,26 +23,24 @@ GEM
   specs:
     addressable (2.3.8)
     blankslate (2.1.2.4)
-    bourbon (4.2.3)
+    bourbon (4.2.5)
       sass (~> 3.4)
-      thor
-    celluloid (0.16.0)
+      thor (~> 0.19)
+    celluloid (0.16.1)
       timers (~> 4.0.0)
-    classifier-reborn (2.0.3)
-      fast-stemmer (~> 1.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.9.1.1)
     colorator (0.1)
     colored (1.2)
-    ethon (0.7.3)
+    ethon (0.8.0)
       ffi (>= 1.3.0)
-    execjs (2.5.2)
+    execjs (2.6.0)
     fast-stemmer (1.0.2)
-    ffi (1.9.8)
-    hitimes (1.2.2)
-    html-proofer (2.2.0)
+    ffi (1.9.10)
+    hitimes (1.2.3)
+    html-proofer (2.5.1)
       addressable (~> 2.3)
       colored (~> 1.2)
       mercenary (~> 0.3.2)
@@ -60,15 +65,15 @@ GEM
       toml (~> 0.1.0)
     jekyll-coffeescript (1.0.1)
       coffee-script (~> 2.2)
-    jekyll-gist (1.2.1)
+    jekyll-gist (1.3.4)
     jekyll-paginate (1.1.0)
     jekyll-sass-converter (1.3.0)
       sass (~> 3.2)
     jekyll-watch (1.2.1)
       listen (~> 2.7)
-    kramdown (1.7.0)
-    liquid (2.6.2)
-    listen (2.10.0)
+    kramdown (1.8.0)
+    liquid (2.6.3)
+    listen (2.10.1)
       celluloid (~> 0.16.0)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
@@ -79,7 +84,7 @@ GEM
       sass (>= 3.3)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
-    octopress (3.0.7)
+    octopress (3.0.11)
       jekyll (>= 2.0)
       mercenary (~> 0.3.2)
       octopress-deploy
@@ -87,33 +92,33 @@ GEM
       octopress-hooks (~> 2.0)
       redcarpet (~> 3.0)
       titlecase
-    octopress-deploy (1.2.6)
+    octopress-deploy (1.3.0)
       colorator
     octopress-escape-code (2.0.6)
       octopress-hooks (~> 2.0)
     octopress-hooks (2.6.1)
       jekyll (>= 2.0)
-    parallel (1.6.0)
+    parallel (1.6.1)
     parslet (1.5.0)
       blankslate (~> 2.0)
     posix-spawn (0.3.11)
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
-    rb-fsevent (0.9.5)
+    rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
-    redcarpet (3.3.1)
+    redcarpet (3.3.2)
     safe_yaml (1.0.4)
-    sass (3.4.14)
+    sass (3.4.18)
     thor (0.19.1)
-    timers (4.0.1)
+    timers (4.0.4)
       hitimes
     titlecase (0.1.1)
     toml (0.1.2)
       parslet (~> 1.5.0)
-    typhoeus (0.7.1)
-      ethon (>= 0.7.1)
+    typhoeus (0.8.0)
+      ethon (>= 0.8.0)
     yajl-ruby (1.2.1)
     yell (2.0.5)
 
@@ -122,8 +127,12 @@ PLATFORMS
 
 DEPENDENCIES
   bourbon
+  classifier-reborn!
   gsl!
   html-proofer
   narray!
   neat
   octopress (~> 3.0.0)
+
+BUNDLED WITH
+   1.10.6